With many popular websites providing two factor authentication, why shouldn't you add two-factor authentication to SSH? Public-key, Private-key encryption is generally considered to be very secure, but why not take an extra step? This tutorial will use the open...

When connecting to an SSH server for the first time, you are often presented with a message like this: The authenticity of host 'github.com (207.97.227.239)' can't be established. RSA key fingerprint is 16:27:ac:a5:76:28:2d:36:63:1b:56:4d:eb:df:a6:48. Are you s...